How to use the Cdosys.dll library to send an e-mail message with attachments
Original KB number: 310212
Summary
This article describes how to use the Collaboration Data Objects (CDO) for Windows 2000 library (Cdosys.dll) to send an e-mail message with attachments. You can send text or HTML or a Web page in the body of the e-mail message by using the local SMTP server or by using a smart host server in Microsoft Visual C#.
Note
The Cdosys.dll library is also known as CDOSYS.
More information
To use CDOSYS as described in the Summary section, follow these steps:
Start Microsoft Visual Studio.
On the File menu, select New, and then select Project.
Under Project Types, select Visual C#, and then select Console Application under Templates. By default, Program.cs is created.
Note
In Microsoft Visual C# .NET 2003, Visual C# is changed to Visual C# Projects. By default, Class1.cs is created.
Add a reference to the Microsoft CDO For Windows 2000 Library. To do this, follow these steps:
On the Project menu, select Add Reference.
On the COM tab, locate Microsoft CDO For Windows 2000 Library.
Note
In Visual C# .NET 2003, select Select.
To accept your selections, select OK in the Add References dialog box.
If you receive a dialog box to generate wrappers for the libraries that you selected, select Yes.
In the code window, replace all the code with the following code:
namespace CdoSys { using System; class Class1 { static void Main (string[] args) { try { CDO.Message oMsg = new CDO.Message (); CDO.IConfiguration iConfg; iConfg = oMsg.Configuration; ADODB.Fields oFields; oFields = iConfg.Fields; // Set configuration. ADODB.Field oField = oFields["http://schemas.microsoft.com/cdo/configuration/sendusing"]; //TODO: To send by using the smart host, uncomment the following lines: //oField.Value = CDO.CdoSendUsing.cdoSendUsingPort; //oField = oFields["http://schemas.microsoft.com/cdo/configuration/smtpserver"]; //oField.Value = "smarthost"; // TODO: To send by using local SMTP service. //oField = oFields["http://schemas.microsoft.com/cdo/configuration/sendusing"]; //oField.Value = 1; oFields.Update (); // Set common properties from message. //TODO: To send text body, uncomment the following line: //oMsg.TextBody = "Hello, how are you doing?"; //TODO: To send HTML body, uncomment the following lines: //String sHtml; //sHtml = "<HTML>\n" + //"<HEAD>\n" + //"<TITLE>Sample GIF</TITLE>\n" + //"</HEAD>\n" + //"<BODY><P>\n" + //"<h1><Font Color=Green>Inline graphics</Font></h1>\n" + //"</BODY>\n" + //"</HTML>"; //oMsg.HTMLBody = sHtml; //TOTO: To send WEb page in an e-mail, uncomment the following lines and make changes in TODO section. //TODO: Replace with your preferred Web page //oMsg.CreateMHTMLBody("http://www.microsoft.com", //CDO.CdoMHTMLFlags.cdoSuppressNone, //"", ""); oMsg.Subject = "Test SMTP"; //TODO: Change the To and From address to reflect your information. oMsg.From = "someone@example.com"; oMsg.To = "someone@example.com"; //ADD attachment. //TODO: Change the path to the file that you want to attach. oMsg.AddAttachment ("C:\\Hello.txt", "", ""); oMsg.AddAttachment ("C:\\Test.doc", "", ""); oMsg.Send (); } catch (Exception e) { Console.WriteLine ("{0} Exception caught.", e); } return; } } }
Where TODO appears in the code, modify the code as indicated.
To build and run the program, press F5.
Verify that the e-mail message has been both sent and received.
References
For more information about Microsoft Office development with Visual Studio, see Microsoft Office Development with Visual Studio.
Phản hồi
https://aka.ms/ContentUserFeedback.
Sắp ra mắt: Trong năm 2024, chúng tôi sẽ dần gỡ bỏ Sự cố với GitHub dưới dạng cơ chế phản hồi cho nội dung và thay thế bằng hệ thống phản hồi mới. Để biết thêm thông tin, hãy xem:Gửi và xem ý kiến phản hồi dành cho